达西定律

在多孔电极中的气体流动符合达西定律的前提下，为满足不同的多孔电极设计，综合考虑了摩尔扩散和Knudsen扩散。

In the porous electrodes , Gas convective flow is governed by Darcy 's law and ordinary diffusions as well as Knudsen effect are considered to cater for different porous electrode designs .

牛顿内摩擦定律和达西定律的改进

Improvement for Newton 's Law of Viscosity and Darcy 's Law

围绕低渗透问题和Bingham流体渗流问题，从推广的达西定律入手，详细推导了其渗流控制方程，讨论了初始条件和各种边界条件。

The low permeability flow and the Bingham flow are two classical cases of fluid flow in porous media related to start-up pressure gradients , whose control equations are derived and initial conditions and boundary conditions are discussed .

以Biot理论和流体喷射流动理论为基础，从固液本构方程、流体动力学方程和广义达西定律出发，详细地推导出含油水两相流体孔隙介质的地震波传播方程。

In this paper , based on theories of Biot and squirt flow of fluids , the author derived the wave equations for seismic waves propagated in oil-and-water-bearing porous media via constitute relation , momentum balance , and generalized Darcy ′ s law .

以浸出实验数据为依据，达西定律、溶质迁移扩散为基本方程，借助COMSOL软件，建立了与时间相关的多孔介质中由于重力作用产生流动的基本模型。

On the basis of leaching experiment data , Darcy law and Solute migration as basic equations , we simulates a time-dependent porous media which produced by gravity flow of the basic model with the help of COMSOL software .

达西定律推导中的启示在实际工程中的应用

Practical Application Edified from Illustrating Darcy-theory on Seepage Flow in a Project

方法应用达西定律，研究低渗透油藏中多维定常渗流特征。

The flow in low-perm reservoirs docs not observe the Darcy 's Law .

分析了非饱和土的土水势理论、广义达西定律。黄土非饱和渗流试验研究

It is studied with the seepage theory . Unsaturated seepage test in loess

煤层气在割理系统的流动遵循达西定律。

The flow in the cleat system can be described by Darcy 's law .

一般认为，低渗油藏渗流过程中不遵循达西定律，表现为：存在启动压力梯度；

Generally , percolation in low permeability reservoirs does not follow Darcy 's law .

在低渗介质中，流体渗流往往表现出对达西定律的一定偏离。

Talking about the Influence of Effective Pressure on Low Permeating and Porous Medium Permeability ;

在达西定律的基础上建立了树脂流动过程控制方程。

The governing equations of resin flow are presented on the base of Darcy ′ s law .

淤地坝浸润线合理计算方法探讨2.分析了非饱和土的土水势理论、广义达西定律。

Reasonable Calculation Method of Seepage Line of Silt Arrester it is studied with the seepage theory .

达西定律也适用于渗透速度有一定限制的非饱和水流。

Darcy 's law can be applied to unsaturated flow subject to certain restrictions on seepage velocity .

然后结合达西定律，建立了煤层气开采的渗流模型；

Then combining with Darcy 's law , the percolation model of coal-bed gas exploitation is built .

可压缩流体渗流的流固耦合问题数值模拟研究2.分析了非饱和土的土水势理论、广义达西定律。

Numerical Simulation of Fluid - Solid Coupling in Compressible Fluid Seepage it is studied with the seepage theory .

渗透理论部分包括透水地基、达西定律和渗流计算；

In the part of seepage theory , it includes pervious foundation and Darcy 's law and seepage calculation .

在低渗透油气藏中，油气藏流体的流动一般不遵循达西定律，而是低速非达西流。

The fluid migration is low non-Darcy flow , but not follows the Darcy law in low permeable reservoirs .

优先流是长江三峡花岗岩区林地坡面的一种普遍现象，观测的优先流雷诺数均大于10，说明优先流运动不遵从达西定律。

Its Re is bigger than 10 , which shows that the movement of preferential flow does not follow Darcy-Law .

研究表明，在渗流速度较大时应对达西定律加以修正。

It is proved through experimental research that the Darcy law should be revised to adapt to high seepage velocity .

基于达西定律，利用天然气渗滤运移输导速度建立了一套气藏天然气输导效率的研究方法。

A series of methods for studying gas transporting efficiency of gas reservoirs were established by using gas transporting velocity .

而渗流速度与渗透水压力呈线性关系，符合宏观尺度渗流的达西定律。

The relation between the specific discharges and seepage pressures are linear and consistent with the Darcy law in macro-scale .

不渗透区域对渗流场流线分布影响研究2.分析了非饱和土的土水势理论、广义达西定律。

Effect of Impermeable Area on Distribution of Flow Path in Seepage Flow Field it is studied with the seepage theory .

对于油气二次运移，采用基于浮力驱动及达西定律的拟三维运聚模型。

The pseudo 3-D migration-accumulation model based on buoyancy and Darcy 's Law is used to simulate on secondary hydrocarbon migration .

根据达西定律设计了沥青岩输送特性实验系统，该系统利用压降法测量沥青岩的初始粘结温度。

The system measures pressure drop through the material column to determine the onset temperature for the sintering of bituminous rock .

根据达西定律和质量守恒原理得到路基土中水分运动的基本方程，并以此方程作为黄土路基中水分迁移研究的理论基础。

The basic equation for water flow in unsaturated soil is deduced with Darcy law and the conservative equation of mass .

低渗透油藏渗流时存在启动压力现象，其渗流特征不遵循达西定律。

The low permeability reservoirs have the start-up pressure , and the seepage flows do not obey the Darcy ′ s law .

又简介根据达西定律和水均衡原理，建立了三维有限差分数值方程及其解法。

It is briefly introduced that three-dimensional finite difference numerical equation is built according to Darcy 's law and water equilibrium principle .

启动压力梯度和介质变形是油气在低渗透、特低渗透储集层中渗流规律偏离达西定律的主要原因。

Non-linear seepage flow is caused chiefly by medium deformation and threshold pressure gradient ( TPG ) in low and ultra-low permeability reservoirs .

在低渗透油藏中，由于多孔介质孔隙和喉道较小，固液作用显著，因此达西定律已不适应。

In low permeable reservoir , solid liquid effect is prominent due to small pore and throat , therefore Darcy 's law is unavailable .